The Hynix 512MB SODIMM Laptop DDR2 2RX16 PC2-5300S-555-12 HYMP564S64CP6-Y5 SO-DIMM is a single module DDR2 SDRAM memory unit with a capacity of 512 MB. Made by Hynix, a reputable brand known for producing high-quality memory modules, this DIMM has 204 pins and operates at a bus speed of PC2-5300S. Ideal for laptops and other portable devices, this module is manufactured in Korea and offers reliable performance for enhancing the speed and efficiency of your computer system.